Standards Development
This proposed International Standard specifies design, installation and operational requirements for cryogenic dry ice slurry fire suppression systems on electric and hybrid ships.
The document will cover requirements for installation, maintenance, safety and crew training.
The number and size of battery and hybrid powered vessels is growing and while these vessels significantly reduce GHG emissions, their large battery packs (primarily lithium-ion batteries) require special considerations in regard to fire prevention and suppression. Battery fires differ from most other fires in that they are the result of thermal runaway which is a series of exothermic reactions occurring inside battery cells that generate extreme heat along with large volumes of flammable and toxic gases. Once initiated, this process can sustain itself independently This standard sets performance requirements for cryogenic slurry of dry ice and liquid nitrogen fire suppression systems. These systems can be effective at extinguishing the fire and cooling the battery cells sufficiently to prevent reignition.
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